YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | 64.19 | 70.36 | 79.25 | c | 90.13 | 92.74 | 104.57 | 104.57 | a | 103.71 | 98.73 | 81.39 | 70.38 | a | 70.00 | a | 85.83 | |||||||||
1947 | 65.80 | a | 77.04 | a | 79.94 | 85.97 | a | 94.71 | 100.63 | 107.10 | a | 103.03 | a | 103.03 | 90.32 | 71.66 | a | 65.00 | 87.02 | |||||||
1948 | 70.13 | 69.15 | b | 71.87 | 88.00 | 95.45 | 102.73 | 106.94 | 106.90 | 101.63 | 90.19 | 74.03 | 65.52 | 86.88 | ||||||||||||
1949 | 55.06 | 69.32 | 77.58 | 87.90 | 94.16 | 103.48 | a | 104.45 | 106.39 | 101.83 | 85.90 | 83.30 | 67.45 | 86.40 | ||||||||||||
1950 | 65.74 | 75.96 | 80.29 | 90.23 | 93.58 | 101.60 | 101.87 | 105.23 | 97.43 | 96.03 | 81.97 | 76.19 | 88.84 | |||||||||||||
1951 | 68.35 | 71.36 | 77.90 | 84.57 | 94.61 | 103.70 | 108.68 | 102.97 | b | 100.90 | 89.68 | 73.97 | 64.61 | 86.77 | ||||||||||||
1952 | 64.58 | 70.34 | 68.84 | 82.13 | 96.48 | 101.50 | 103.90 | 103.71 | 101.20 | 95.94 | 70.53 | 64.71 | 85.32 | |||||||||||||
1953 | 71.55 | 69.89 | 77.19 | 82.10 | 87.48 | 102.30 | 103.42 | 104.68 | 103.44 | e | 89.45 | 77.70 | 66.52 | 86.31 | ||||||||||||
1954 | ----- | z | 77.93 | n | ----- | z | 91.50 | n | 96.26 | 101.33 | 104.77 | 102.00 | 101.70 | 93.52 | b | 83.07 | a | 71.03 | 94.21 | d | ||||||
1955 | 61.97 | 68.57 | 78.74 | 83.07 | 91.41 | b | 100.73 | 102.07 | b | 100.14 | b | 101.72 | a | 95.90 | 78.10 | 74.06 | 86.37 | |||||||||
1956 | 72.97 | 66.55 | 82.42 | 84.07 | 95.61 | 104.70 | 103.71 | 102.35 | 103.27 | 88.90 | 77.30 | 70.71 | 87.71 | |||||||||||||
1957 | 64.97 | 76.14 | 77.48 | 84.07 | 89.29 | 104.43 | 106.32 | 102.61 | 99.80 | 83.65 | 70.73 | 71.10 | 85.88 | |||||||||||||
1958 | 70.00 | 72.89 | 70.42 | 83.37 | 99.03 | 103.80 | 107.71 | 104.94 | 99.33 | 89.42 | 76.83 | 75.58 | 87.78 | |||||||||||||
1959 | 71.84 | 69.70 | a | 80.61 | 90.17 | 92.10 | 105.83 | 107.94 | 102.03 | 99.47 | 90.10 | 77.10 | 66.58 | 87.79 | ||||||||||||
1960 | 62.58 | 67.17 | 81.97 | a | 87.70 | 94.74 | 107.03 | 107.74 | 104.13 | 103.13 | 87.23 | 79.03 | 69.00 | 87.62 | ||||||||||||
1961 | 72.23 | 75.25 | 78.10 | 88.45 | a | 94.13 | 105.50 | 105.42 | 102.84 | 97.17 | 89.00 | 73.23 | 67.40 | a | 87.39 | |||||||||||
1962 | 67.00 | 70.96 | 73.68 | 92.03 | 93.06 | 103.00 | 106.45 | 108.39 | 99.80 | 91.23 | 80.40 | 71.84 | 88.15 | |||||||||||||
1963 | 66.71 | 78.18 | 78.29 | 82.80 | 97.03 | 99.30 | 106.32 | 101.03 | 100.70 | 92.87 | 76.43 | 71.42 | 87.59 | |||||||||||||
1964 | 66.61 | 69.21 | 73.42 | 82.77 | 91.81 | 100.57 | 105.29 | 100.68 | 95.53 | 91.03 | 71.97 | 67.00 | 84.66 | |||||||||||||
1965 | 68.48 | 70.50 | 73.13 | 81.00 | 89.32 | 95.52 | a | 104.77 | 103.48 | 95.50 | 92.42 | 76.27 | 65.65 | 84.67 | ||||||||||||
1966 | 64.00 | 66.18 | 79.90 | 87.60 | 96.52 | 102.17 | 105.35 | 103.32 | 97.17 | 88.84 | 79.50 | 68.87 | 86.62 | |||||||||||||
1967 | 70.32 | 76.68 | 80.65 | 79.03 | 92.90 | 99.03 | 105.39 | 104.23 | 99.23 | 94.06 | 81.70 | 62.19 | 87.12 | |||||||||||||
1968 | 68.90 | 75.89 | a | 76.39 | 82.97 | 93.03 | 102.90 | 102.77 | 99.29 | 100.43 | 91.42 | 75.73 | 66.26 | 86.33 | ||||||||||||
1969 | 69.03 | 69.11 | 74.81 | 86.21 | a | 95.42 | 98.93 | 105.03 | 106.71 | 99.67 | 85.06 | 75.03 | 68.84 | 86.15 | ||||||||||||
1970 | 67.74 | 75.71 | 74.06 | 80.50 | 94.81 | 102.17 | 106.29 | 103.26 | 94.20 | 84.29 | 76.77 | 65.55 | 85.45 | |||||||||||||
1971 | 69.61 | 72.18 | 80.45 | 82.20 | 88.19 | 100.10 | 105.48 | 99.00 | 97.33 | 82.13 | 74.60 | 63.61 | 84.57 | |||||||||||||
1972 | 68.68 | 76.86 | 87.23 | 86.63 | 93.00 | 100.67 | 106.52 | 102.06 | 98.37 | 82.06 | 70.73 | 64.81 | 86.47 | |||||||||||||
1973 | 63.58 | 68.79 | 67.42 | 81.63 | 94.71 | 101.90 | 105.23 | 104.87 | 99.83 | 91.48 | 75.37 | 70.52 | 85.44 | |||||||||||||
1974 | 67.10 | 72.21 | 78.26 | 85.37 | 94.26 | 106.37 | 102.94 | 103.45 | 99.03 | 87.39 | 75.70 | 64.35 | 86.37 | |||||||||||||
1975 | 67.61 | 69.89 | 73.29 | 77.40 | 90.55 | 100.10 | 103.84 | 104.77 | 98.59 | a | 88.03 | 77.13 | 68.35 | 84.96 | ||||||||||||
1976 | 70.58 | 73.28 | 75.26 | 82.00 | 93.23 | 102.00 | 103.13 | 103.32 | 94.37 | ----- | z | ----- | z | ----- | z | 88.57 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 67.26 | 71.84 | 76.96 | 84.74 | 93.54 | 102.21 | 105.21 | 103.40 | 99.47 | 89.30 | 76.21 | 68.16 | 86.50 | |||||||||||||
S.D. | 3.71 | 3.46 | 4.30 | 3.59 | 2.64 | 2.47 | 1.76 | 2.14 | 2.53 | 4.06 | 3.69 | 3.53 | 1.11 | |||||||||||||
SKEW | -1.10 | 0.29 | -0.18 | 0.16 | -0.48 | -0.25 | -0.02 | 0.05 | -0.38 | -0.26 | 0.17 | 0.58 | -0.01 | |||||||||||||
MAX | 72.97 | 78.18 | 87.23 | 92.03 | 99.03 | 107.03 | 108.68 | 108.39 | 103.44 | 96.03 | 83.30 | 76.19 | 88.84 | |||||||||||||
MIN | 55.06 | 66.18 | 67.42 | 77.40 | 87.48 | 95.52 | 101.87 | 99.00 | 94.20 | 81.39 | 70.38 | 62.19 | 84.57 | |||||||||||||
YRS | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 |